Any suggestions on where I should purchase them? Online or national franchise chain? The problem I have been running into is if I buy online & ask someone to install they won't give me the time of day....

I currently have Continental 4x4 Contact 255/60r17 106h tires.... ANy suggestions on where I can look up tire ratings?

im sure if you went to a tyre fitter they would be able to supply you with more than enough info and fit the tyres in your search that will keep the cost down, tyre fitters dont like you takeing the tyres in to get fitted because its profit loss to them and in most cases they will try to beat the prices you have been quoted